Container closure



FIG. 1 is an isometric view of a container closure showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof, the opposite side being a mirror image;

FIG. 4 is a bottom view thereof; and

FIG. 5 is an isometric view thereof, the closure in a position for use. 

The ornamental design for a container closure, as shown and described. 